1449469878 has 16 divisors (see below), whose sum is σ = 3069465840. Its totient is φ = 454735616.

The previous prime is 1449469877. The next prime is 1449469907. The reversal of 1449469878 is 8789649441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449469873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7105143 + ... + 7105346.

It is an arithmetic number, because the mean of its divisors is an integer number (191841615).

Almost surely, 2^1449469878 is an apocalyptic number.

1449469878 is an abundant number, since it is smaller than the sum of its proper divisors (1619995962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1449469878 is a wasteful number, since it uses less digits than its factorization.

1449469878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210511.

The product of its digits is 13934592, while the sum is 60.

The square root of 1449469878 is about 38071.9040500997. The cubic root of 1449469878 is about 1131.7132436969.

The spelling of 1449469878 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, eight hundred seventy-eight".